The answer in the picture is not right, please give me the correct answer

Consider the following time series 120 110 100 96 94 9288 a. Choose the correct time series plot. () 140 ) 140 120 120 100 80 60 100 20 20 6 Time Period (t) Time Period (t) (ii) 140 (iv) 140 120 120 100 80 100 60 20 20 6 Time Period (t) Time Period (t) Plot (ii)